Fred Henry & Maude D. Allen--Boone Co Il

I am looking for info regarding Allen Family.Fred Henry Allen b: 3-03-1878 d: 11-1963wife Maude D. Long b:10-22-1878 d:4-1932 she was born in Mo to William H. & Celia R. Long.Fred & Maude Allen resided in Quincy Illinois area however might have moved to the Poplar Grove Illinois area. Don't have any other info & have hit a brick wall.Any info would be greatly appreciated.Connie